The study was conducted at the farmers’ field of Karbi Anglong district of Assam to determine the effect of seed treatment with Azotobacter and Phosphorus Solubilizing Bacteria (PSB) on growth and yield of Toria (var. TS-36). The effect of biofertilizers was observed in combination with various levels of chemical fertilizers and FYM. Seed inoculation with Azotobacter and PSB @40g kg-1 seed + 75% NPK recorded maximum grain yield (11.15 qha-1) due to the higher plant height (88.52 cm), branches plant-1 (4.96), siliqua plant-1 (164.76), root growth (2.30g plant-1), seeds siliqua-1(10.97) and 1000-seed weight (4.82 g). The seed treatment with biofertilizers in combination with different levels of chemical fertilizers was found to be superior over recommended dose of NPK. Economics of cultivation in terms of net return of Rs.17605 & Rs. 17205 and B: C of 2.07 & 2.11 were considerably higher in treatment of Azotobacter + PSB + 50% NPK + FYM and Azotobacter + PSB + 75% NPK + FYM In which biofertilizer seed treatment was done as compared to recommended NPK (Rs. 14160 and 1.93, respectively). Application of Azotobacter and PSB in combination with 75 and 50% NPK and FYM @2 t ha-1 were found as viable and feasible option for getting higher yield and economic return from cultivation of toria in hill zone of Assam.
Aims: The present study was undertaken to enlist the rice varieties grown in Karbi Anglong district of Assam, India and to identify the most preferred varieties and the preference criteria as perceived by the rice growers at individual level.
Place and Duration of Study: Krishi Vigyan Kendra, Karbi Anglong, Diphu in the district of Karbi Anglong, Assam, between April 2018 and March 2019.
Methodology: We included 30 farmers who were non-respondent in the main study and 90 farmers in the main study. We used Participatory Rural Appraisal, Personal Interview Method and Interview Schedule.
Results: The study revealed that 18 rice varieties are normally grown by the farmers of Karbi Anglong for lunch and dinner making. Among 18 rice varieties Gaya, Ranjit, Agarsali, Bordhan, Basuri are the five most preferred rice varieties respectively. There are twelve quality parameters which were identified by the non respondent rice growers based on which farmers prefer a particular rice variety. The quality parameter in accordance with their preference are yield, suitability to land situation, duration, taste, planting time flexibility, after cooking quality, disease and pest resistance, fertilizer requirement, market demand, hunger chasing, draught resistance and cold resistance.
Zinc (Zn) is the micronutrient that most commonly limits maize yields but it receives much less attention than other inputs. The present field experiment was conducted to study the effect of Zn fertilizers on growth and yield of maize in farmer’s field under rainfed condition in hill region of Assam, Eastern Himalayan Region for authenticating Zn fertilizer application in increasing the yield of summer maize in actual farmer’s field condition. The experiment was carried out in 6 locations (as replication) of three villages with four treatments which consist of recommended dose of fertilizer (90:40:40 kg NPK kgha-1), recommended dose of fertilizer with ZnSO4 @15 kg ha-1, Farmers’ practice with ZnSO4 @ 15 kg ha-1 and Farmers’ practice (No application of fertilizers) as control. Maize responded positively to Zn fertilization where the yields increased from 4.62 t ha−1 without Zn to 4.91 t ha−1 with Zn under recommended dose of fertilizers. The yield response of maize to application of Zn only recorded 9.15 % increase in yield in case of farmers practice without any fertilizers. Zn application increased maize yield due to increased cob length, cob diameter, kernel numbers and kernel weight in Zn-deficient soils. The increase in grain yield in case of combined use of fertilizer and ZnSO4 (heptahydrate) was mainly due to significantly more number of kernels per cob (392) as well as kernel weight (120.3 g) over application of fertilizers only i.e. 368 and 108.4 g respectively. The result of the present study reveals that, basal soil application of Zn as ZnSO4 @ 15 kg ha-1 in maize crop along with recommended fertilizers is highly recommended for the soils of North Eastern Hill region of India.
A field experiment was conducted in the farmers' field of Karbi Anglong district of Assam in the year 2016-17 and 2017-18 to study the effect of organic sources of inputs on growth, yield and economics of Okra (Abelmoschus esculentus L.). Results revealed that FYM @ 5t/ha + Vermicompost @ 1t/ha + Seed treatment with azotobacter and PSB @ 7.5 g each/100g+ soil application of rock phosphate @ 13 Kg/ha (T3) showed significantly higher values of plant height (108.50 cm), first fruiting node (5 th node), number of fruits per plant (9.25), average fruit weight (21.05 g), average fruit length (16 cm), average fruit girth (4.75 cm) and yield (80.58 q/ha) than T4 (control). The economical parameters in terms of Net return (Rs.105640.00), Gross return (Rs. 161310) and B:C ratio (3.04) were also found to be considerably higher in T3 as compared to T1 (Recommended NPK) and T2 (Recommended NPK + FYM). Farmers' practice (T4) recorded the least B:C ratio of 2.17. Therefore, T3 was found to be the feasible option for obtaining higher yield and profitable income.
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